Dr. Michael S.f. Chai, MD
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 83
- MIPS score, 2024
- 79
- Hospital affiliations
- 3
- Practice address
- 12401 Washington Blvd, Whittier, CA 90602
- Practice phone
- Call (562) 698-0811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael S.f. Chai is an anesthesiologist in Whittier, California
Dr. Chai practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.
Dr. Chai's NPI, 1558448894, was assigned on November 1, 2006. Dr. Chai graduated from Keck School of Medicine of USC in 1985. Dr. Chai holds California license G59075.
- NPI
- 1558448894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012973738
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 698-0811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S.f. Chai practices at PIH Health Whittier Hospital in Whittier, California
Dr. Chai's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.
- PIH Health Whittier Hospital12401 Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(562) 698-0811
Source: Dmand AI Affiliation Data
Dr. Michael S.f. Chai is affiliated with 3 sites of care and 1 medical group
Dr. Chai's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dr. Chai is also affiliated with Adventist Health White Memorial Montebello. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Chai to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael S.f. Chai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chai practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Whittier Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael S.f. Chai is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Chai's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chai is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Chai is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Chai
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael S.f. Chai billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Dr. Chai across 6 procedure codes in 2024, for 168 Medicare patients. Medicare paid $8,106 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1002024: 7030%
- Imaging
- 2023: 172024: 1418%
- Surgery
- 2023: 272024: 1256%
Dr. Chai compared with the California median for anesthesiologists, 2024
- Dr. Chai
- California median
- Medicare services
- 96vs 7233% above
- Medicare patients
- 168vs 14317% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Chai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chai and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S.f. Chai treated 168 Medicare patients in 2024, average age 74
CMS counts 168 Medicare patients who saw Dr. Chai in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chai's median patient age at 69, with 52% women.
Dr. Chai's Medicare patients by age, 2024
Dr. Chai's Medicare patients by sex, 2024
- Women9255%
- Men7645%
Chronic conditions among Dr. Chai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes42%
- Chronic kidney disease33%
- Ischemic heart disease27%
- Mood disorders27%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael S.f. Chai wrote 83 Medicare Part D claims in 2024
In 2024, Dr. Chai wrote 83 Medicare Part D claims. 90% of them were for generic drugs.
Dr. Chai's Part D claims by kind of drug, 2024
- Generic75 claims90%
- Brand-name and other8 claims10%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael S.f. Chai scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Chai for performance year 2024, reported as part of a group. Dr. Chai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chai's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael S.f. Chai received $273 in industry payments from 2019 to 2025
CMS Open Payments shows 3 general payments to Dr. Chai from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 63% of the total. Stryker Corporation paid the most, $156.
General payments to Dr. Chai by program year, 2019 to 2025
General payments to Dr. Chai by kind, 2019 to 2025
- Food and beverage$17363%
- Consulting fees$10037%
Companies that paid Dr. Chai the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael S.f. Chai graduated from Keck School of Medicine of USC
Dr. Chai graduated from Keck School of Medicine of USC in 1985.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Michael S.f. Chai accepts plans from 7 insurance carriers
Dr. Chai is in network with 7 carriers, including United Healthcare, Molina and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Molina
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Chai accepts, by number of carriers
- Medicare3
- PPO3
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael S.f. Chai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael S.f. Chai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael S.f. Chai's NPI number?
Dr. Michael S.f. Chai's NPI number is 1558448894. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S.f. Chai?
Dr. Michael S.f. Chai is an anesthesiologist in Whittier, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Michael S.f. Chai practice?
Dr. Chai practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Chai's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Chai to 1 hospital.
What is Dr. Michael S.f. Chai's office phone number?
The practice phone on file for Dr. Chai is (562) 698-0811.
What is Dr. Michael S.f. Chai's medical license number?
Dr. Chai holds California license G59075.
Which hospitals is Dr. Michael S.f. Chai affiliated with?
Dr. Chai practices at PIH Health Whittier Hospital in Whittier, California. Dr. Chai is also affiliated with Adventist Health White Memorial Montebello. Dmand AI links Dr. Chai to 1 more hospital.
What medical group is Dr. Michael S.f. Chai part of?
Dr. Chai is linked to PIH Health Physicians.
Does Dr. Michael S.f. Chai accept Medicare?
Yes. CMS data shows Dr. Chai billed Medicare for 96 services in 2024, and Dr. Chai accepts Medicare assignment.
What is Dr. Michael S.f. Chai's MIPS score?
Dr. Chai's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael S.f. Chai see?
CMS counts 168 Medicare patients who saw Dr. Chai in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
Is Dr. Michael S.f. Chai board certified?
Yes. Dr. Chai is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Michael S.f. Chai bill to Medicare?
In 2024, Dr. Chai's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00812).
Where did Dr. Michael S.f. Chai go to medical school?
Dr. Chai graduated from Keck School of Medicine of USC in 1985.
Has Dr. Michael S.f. Chai received payments from drug or device companies?
CMS Open Payments shows $273 in general payments to Dr. Chai from 2 companies from 2019 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Michael S.f. Chai been practicing?
Dr. Chai graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Michael S.f. Chai accept?
Dr. Chai is in network with 7 carriers, including United Healthcare, Molina and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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